13069479 has 4 divisors (see below), whose sum is σ = 17425976. Its totient is φ = 8712984.

The previous prime is 13069457. The next prime is 13069487. The reversal of 13069479 is 97496031.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13069479 - 2⁷ = 13069351 is a prime.

It is a super-2 number, since 2×13069479² = 341622562662882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13069439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2178244 + ... + 2178249.

It is an arithmetic number, because the mean of its divisors is an integer number (4356494).

Almost surely, 2^13069479 is an apocalyptic number.

13069479 is a deficient number, since it is larger than the sum of its proper divisors (4356497).

13069479 is an equidigital number, since it uses as much as digits as its factorization.

13069479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4356496.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 13069479 is about 3615.1734398228. The cubic root of 13069479 is about 235.5516180054.

The spelling of 13069479 in words is "thirteen million, sixty-nine thousand, four hundred seventy-nine".